Here is the full list of all 31 Crongdor the Barbarian achievements.
Die for the first time.
Slay all enemies in the Introduction
Complete the Introduction
Steal all of the treasure in the Introduction.
Skewer more than three enemies with one javelin.
Kill the Warlock by decapitation.
Steal all of the warlock's treasure.
Slay the warlock and all of his guards
Crush 5 enemies with pillars in the Temple of Three Doors.
Loot all of the gold from the Temple of Three Doors
Slay all of the guards in the Temple of Three Doors
Find all of the secret treasure on Winder.
Slay every foe on Winder.
Crush 5 guards with boulder traps on Winder.
Find all the secret treasure in Under.
Slay all of the sewer men and the temple guards in Under.
Find the maul in Under and hammer 20 enemies to death.
Uncover all of the hidden gold in the Sky Temple.
Slay every enemy in the Sky Temple.
Help 5 enemies to the bottom of the Sky Temple.
Steal all of the treasure in the Hall.
Slay all the guards in the Hall.
Find the maul in the Hall and bash 20 enemies to death.
Complete the story.
Beat the par time in the Introduction.
Beat the par time in the Temple of Three Doors.
Beat the par time in Warlock.
Beat the par time in Winder.
Beat the par time in Under.
Beat the par time in the Sky Temple.
Beat the par time in Hall.